677340087 has 16 divisors (see below), whose sum is σ = 946453248. Its totient is φ = 430063040.

The previous prime is 677340031. The next prime is 677340089. The reversal of 677340087 is 780043776.

It is a cyclic number.

It is not a de Polignac number, because 677340087 - 2¹² = 677335991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677340089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4989 + ... + 37142.

It is an arithmetic number, because the mean of its divisors is an integer number (59153328).

Almost surely, 2^677340087 is an apocalyptic number.

677340087 is a deficient number, since it is larger than the sum of its proper divisors (269113161).

677340087 is a wasteful number, since it uses less digits than its factorization.

677340087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42390.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 677340087 is about 26025.7581445767. The cubic root of 677340087 is about 878.2178494578.

The spelling of 677340087 in words is "six hundred seventy-seven million, three hundred forty thousand, eighty-seven".